There are
913 mi
from Flower Mound, TX to Palos Heights, IL
That's the driving distance. It would take 17 hours 9 mins to go from Flower Mound, Texas to Palos Heights, Illinois.
The flight distance (direct flight from Flower Mound, TX to Palos Heights, IL) is 785.44 mi.
913 mi = 1,469.87 kms